Home / 200,399,925.18-300,505,141.53-77,635,754.94

Finding the Fourth Proportional to 200,399,925.18, 300,505,141.53 and 77,635,754.94

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Solution

The fourth proportional to 200,399,925.18, 300,505,141.53 and 77,635,754.94 is: 116,416,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,399,925.18 : 300,505,141.53 = 77,635,754.94 : x
  2. Step 2: Convert to fraction form
    200,399,925.18/300,505,141.53 = 77,635,754.94/x
  3. Step 3: Cross multiply
    200,399,925.18x = 300,505,141.53 × 77,635,754.94
  4. Step 4: Simplify right side
    200,399,925.18x = 23,329,943,526,033,092
  5. Step 5: Solve for x
    x = 23,329,943,526,033,092/200,399,925.18
  6. Step 6: Final answer
    x = 116,416,927.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.